What should I do if I am prevented from entering Mexico many times?

First of all, if you apply for a business visa, and the visa is valid for half a year and you can enter Mexico multiple times, then you can travel to and from Mexico multiple times within the time specified in the visa without any problems.

Business negotiation and business investigation are two different concepts. A business visa is a general business visa. You can enter Mexico with a visa, and you can stay in Mexico for a maximum of 180 days for a single entry. So first determine what kind of visa you are applying for. If you just visit customers or deal with some business problems, it is basically an ordinary business visa.

FM3 is an identity certificate issued by the Mexican Immigration Bureau for foreign residents to work in Mexico, which is similar to a temporary residence permit for work. If you don't have a job in Mexico and a guarantor, you can't handle it.

FM3 can be handled in China or Mexico, but it is relatively convenient and quick to handle in Mexico. The premise is that you need a certificate of working or serving for a Mexican company, which needs to be issued by a Mexican company. You can consult the Mexican Embassy or the Mexican Immigration Bureau for details.

The form filled in on the plane mentioned below is the disembarkation card. When you arrive in Mexico, the customs will ask you relevant questions when you enter the country, and then fill in the time you can stay in Mexico on the back of the entry card, usually 180 days. This has nothing to do with FM3. ....